JP2001198638A - Selecting method for material cleaning apparatus in press line - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve a problem of low productivity resulting from that much working time is required for a set up operation for a case using a sheet material cleaning apparatus and for a case not using. SOLUTION: In a press line in which a sheet material 3 separated one by one by a disk cutter 1 arranged to an upstream side of the press line A is transported by a sheet material transport means to a press main body 13 arranged on the press line A and the sheet material 3 is formed by the press main body 13, a sheet material cleaning position C is arranged between the disk cutter 1 and the press main body 3, a sheet material cleaning apparatus 6 and a sheet material transport apparatus 7 are selectively moved to the sheet material cleaning position C, the cases of using or not using of the sheet material cleaning apparatus 6 are selected, the set up operation for the case using the sheet material cleaning apparatus or not using is conducted in a short time, thus, the productivity is improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for switching a sheet cleaning apparatus for cleaning a sheet formed by a press line.

[0002]

2. Description of the Related Art Conventionally, in a press line for forming a sheet material by pressing, for example, Japanese Utility Model Application Laid-Open No.
A sheet material cleaning device for cleaning a sheet material is installed between a sheet material supply device that supplies a sheet material to a press body and a press body, as described in Japanese Patent Application Laid-Open No. 4-135100. There is something.

The "material supply device" of the former publication is configured to wash a material (sheet material) supplied by the material supply device with a cleaning roll box, change the direction of the material, and carry the material into a press machine. The cleaning roll box is installed between the material supply device and the fixed position regulating mechanism.

[0004] Also, the "press material supply device" of the latter publication
Is a method in which a sheet material separated one by one by a destacker is washed by a cleaning device, and then held by a holding conveyor and transported to a press. The cleaning device is installed between the destacker and the holding conveyor. ing.

[0005]

However, some sheet materials formed by the press line do not require cleaning, and as described in the above publications, the cleaning is performed between the material supply device and the fixed position regulating mechanism or the holding conveyor. When forming a sheet material that does not require cleaning in a press line where the equipment is fixed and installed, remove the cleaning device from the press line and convey the sheet material supplied from the material supply device to the press body, etc. Need to replace the transport means
This operation requires many man-hours, resulting in poor work efficiency, and the press line is stopped during this time. Therefore, there are problems such as a decrease in the operation rate of the press line and a decrease in productivity.

SUMMARY OF THE INVENTION The present invention has been made to solve such a conventional problem, and the use or non-use of a sheet material cleaning apparatus can be easily selected depending on whether the sheet material needs to be cleaned or not. It is an object of the present invention to provide a method for switching a sheet material cleaning device in a press line, thereby improving the operation rate of the press line and the productivity associated therewith.

[0007]

According to a first aspect of the present invention, a sheet material separated one by one by a destacker installed on an upstream side of a press line is formed by the sheet material conveying means. In a press line in which a sheet material is conveyed to a press body installed on a press line, and a sheet material is formed by the press body, a sheet material washing position is set between the above-mentioned destacker and the press body, and A sheet material cleaning device at the cleaning position,
The use and non-use of the sheet material cleaning device can be switched by selectively moving the sheet material conveying means.

[0008] With the above configuration, the use or non-use of the sheet material cleaning device can be selected simply by selectively moving the sheet material cleaning device and the sheet conveying means to the sheet material cleaning position on the press line. When the cleaning device is not used, no work such as removing the sheet material cleaning device from the press line is required, so that the switching operation can be performed in a short time and the downtime of the press line can be reduced, so that the press line operation rate can be reduced. And the resulting improvement in productivity.

According to a second aspect of the present invention, a sheet material cleaning apparatus and a sheet material transporting means are moved in a horizontal direction orthogonal to a sheet material transport direction to thereby provide a sheet material cleaning apparatus and a sheet material transport apparatus. The transport means is switched.

According to the above-described method, the work of replacing the sheet material cleaning apparatus and the sheet material conveying means can be performed in a planar manner, so that the work can be performed safely and maintenance can be facilitated. Since there is no need to install a tall stand or the like at the position, equipment costs can be reduced.

In order to achieve the above object, in the invention according to claim 3, the sheet material cleaning device and the sheet material transporting device are switched by vertically moving the sheet material cleaning device and the sheet material transporting device. Things.

According to the above method, the switching between the sheet material cleaning device and the sheet material conveying means can be performed in a small space.
It can be easily installed on a press line with no space around.

In order to achieve the above object, the invention according to claim 4 moves one of the sheet material cleaning device and the sheet material conveying means in a horizontal direction perpendicular to the sheet material conveying direction and moves the other in a vertical direction. By doing so, the sheet material cleaning device and the sheet material conveying means are switched.

According to the above method, the installation area can be reduced as compared with the method of switching the sheet material cleaning device and the sheet material transport device in a planar manner.

[0015]

Embodiments of the present invention will be described in detail with reference to the drawings. 1 is a plan view of a press line, FIG. 2 is a front view of the same, and FIGS. 3 and 4 are operation explanatory diagrams. In these figures, reference numeral 1 denotes a destacker installed on the upstream side of the press line A, and a sheet material 3 carried in by a carriage 1a moving on a rail 2 laid in a direction orthogonal to the sheet material conveying direction B, one by one. It is separated and delivered to a first transporting unit 4 composed of a magnet conveyor installed in the destacker 1.

A magnet floater 1b for separating the stacked sheet materials 3 carried by the cart 1a one by one from above is installed in the above-mentioned disstacker 1.
When the sheet material 3 is carried into the destacker 1, the magnet floater 1b is retracted to the downstream side of the destacker 1 by a retraction cylinder 1c as shown in FIG. On the downstream side of the destacker 1, a rail base 5 is installed in a direction orthogonal to the sheet material conveying direction B.

The rail mount 5 is configured such that the upstream cross beam 5a is high and the downstream cross beam 5b is low. The upstream cross beam 5a and the downstream cross beam 5b Rails 5c are laid so as to be orthogonal to the sheet conveying direction B, and the sheet material cleaning device 6 and the second conveying means 7 are mounted on these rails 5c independently and freely. The sheet material cleaning device 6 removes oil, rust, scale, and the like attached to the sheet material 3 by cleaning, and includes a plurality of cleaning rollers 6a along the sheet material conveyance direction B as shown in FIG. The sheet materials 3 which are arranged side by side and cleaned by these cleaning rollers 6a are centered by a third conveying means 8 comprising a belt conveyor.
To be transported to

The centering device 9 positions the sheet material 3 cleaned by the sheet material cleaning device 6 at the center of the press line A. The sheet material 3 positioned by the centering device 9 is positioned at the centering device 9.
Is attracted to the fourth transporting means 10 comprising a magnet conveyor installed above, and is transported to the skid lifter 12 installed downstream of the centering device 9 so as to be mounted on the skid 12a of the skid lifter 12. It has become.

The skid 12a of the skid lifter 12
Are provided in a direction parallel to the sheet material conveyance direction B, and are vertically movable by a lift cylinder 12b. The sheet material 3 placed on these skids 12a is The transfer is carried into the press body 13 by the transfer feeder 14 in the press body 13 installed on the downstream side.

The press body 13 has a bolster 1 inside.
The sheet material is provided by a mold fixed on the bolster 13a and a mold (both not shown) attached to the lower surface of a slide 13b provided vertically above the bolster 13a. The sheet material 3 which has been formed by the press body 13 is fed to a feed bar 14 a of a transfer feeder 14.
After being conveyed to the downstream side of the press body 13 by the clamp, the paper is conveyed to the downstream side of the press line A by unillustrated carrying out means.

On the other hand, the second transporting means 7 movably mounted on the rail together with the sheet material cleaning device 6 is formed in a substantially T-shape so as not to interfere with the retracting cylinder 1c for retracting the magnet floater 1b disposed on the disstacker 1. The wheel 7b provided on the upstream side of the traveling gantry 7a travels on the rail 5c laid on the cross beam 5a on the upstream side of the rail gantry 5, and The wheels 7b provided on the rails 5c run on the rails 5c laid on the cross beams 5b on the downstream side of the rail mount 5, and on the upper portion of the run mount 7a, in the sheet material conveying direction B, A plurality of belt conveyors 7c are installed in parallel with each other.

Next, the operation of the press line A configured as described above will be described. The sheet material 3 formed by the press body 13 installed in the press line A requires cleaning, and the sheet material 3 does not require cleaning. According to this, use or non-use of the sheet material cleaning device 6 is selected. When forming the sheet material 3 using the sheet material cleaning device 6,
First, the second conveying means 7 at the sheet material cleaning position C is moved to the position shown in FIG.
Then, it is moved to the second conveying means standby position D shown in FIG. 3, and then the sheet material cleaning device 6 waiting at the sheet material cleaning device standby position E is moved to the sheet material cleaning position C.

If the traveling motor is mounted on the sheet material cleaning device 6 and the second transport means 7, these movements are automatically performed by causing the sheet material cleaning device 6 and the second transport means 7 to travel by the traveling motor. However, when the traveling motor is not mounted, the movement may be artificially performed by, for example, pressing by an operator.

The sheet material cleaning device 6 is moved to the sheet material cleaning position C.
When the sheet material 3 is moved and positioned and fixed, the sheet material 3 is separated one by one by a disstacker 1 installed on the upstream side of the press line A, and the sheet material 3 is separated by the first conveying means 4 as shown in FIG. The sheet material 3 is carried into the cleaning device 6 and cleaned by the cleaning roller 6a. Sheet material cleaning device 6
The sheet material 3 which has been cleaned by the above is conveyed to the centering device 9 by the third conveying means 8, and when it is centered by the centering device 9, it is adsorbed by the fourth conveying means 10 and conveyed to the skid lifter 12, where the skid lifter 12 12 are mounted on the 12 skids 12a.

The sheet material 3 on the skid 12a is clamped by the feed bar 14a of the transfer feeder 14 operated in synchronization with the press body 13, and is carried into the press body 13; While the molding is performed, the sheet material 3 which has been completed is conveyed to the downstream side of the press body 13 by the transfer feeder 14, and then is conveyed to the downstream side of the press line A by unillustrated discharge means.

The above is the operation when the sheet material 3 cleaned by the sheet material cleaning device 6 is formed by the press body 13, but when the cleaning of the sheet material 3 is not necessary, the sheet material at the sheet material cleaning position C The material cleaning device 6 is caused to wait at the sheet material cleaning device standby position E shown in FIGS. 1 and 4, and then the second transport means 7 at the second transport device standby position D is moved to the sheet material cleaning position C.

As a result, the first, second, third and fourth conveying means 4, 7, 8, and 4 are placed on the press line A as shown in FIG.
10 are installed, these transport means 4, 7, 8, 1
The centering device 9 and the skid lifter 12 separate the sheet materials 3 separated one by one by the
Then, the sheet material 3 is formed by the press body 13, and the sheet material cleaning device 6 and the second conveying means 7 are switched only by the switching of the sheet material cleaning device 6.
Can be used or not used.

In the above-described embodiment, the sheet material cleaning device 6 and the second transport means 7 are placed on the same rail 5c and moved in a horizontal direction perpendicular to the sheet material transport direction B. The switching between the cleaning device 6 and the second transport means 7 is performed in a planar manner, but as shown in FIG. 5, the sheet material cleaning device 6 and the second transport means 7 are moved up and down to switch between the two. Alternatively, one of them may be moved in the horizontal direction and the other may be moved in the up and down direction to switch between the two.

The sheet material cleaning device 6 and the second conveying means 7
In the method of switching by moving up and down, the sheet material cleaning device 6 and the second conveying means 7 may be turned upside down. That is, the sheet cleaning device 6 may be placed on the upper side and the second transporting device 7 may be placed on the lower side, or the second transporting means 7 may be placed on the upper side, and the sheet material cleaning device 6 may be placed on the lower side. Switching may be performed by moving in the direction.

[Brief description of the drawings]

FIG. 1 is a plan view of a press line employing a switching method of a sheet material cleaning apparatus according to an embodiment of the present invention.

FIG. 2 is a front view of a press line employing a switching method of the sheet material cleaning apparatus according to the embodiment of the present invention.

FIG. 3 is an operation explanatory view in a state where the apparatus is switched to the sheet material cleaning apparatus by the method for switching the sheet material cleaning apparatus according to the embodiment of the present invention;

FIG. 4 is an explanatory diagram of an operation in a state where switching to the sheet material conveying means is performed by the switching method of the sheet material cleaning apparatus according to the embodiment of the present invention;

FIG. 5 is an explanatory view showing a modification of the sheet material switching method according to the embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Disstacker 3 ... Sheet material 6 ... Sheet material cleaning device 7 ... Sheet material conveyance means (2nd conveyance means) 13 ... Press body A ... Press line B ... Sheet material conveyance direction C ... Sheet material washing position

Claims (4)

[Claims] 1. A sheet material (3) separated one by one by a destacker (1) installed upstream of the press line (A) is set on the press line (A) by sheet material conveying means. Transported to the press body (13)
In the press line in which the sheet material (3) is formed by the press body (13), the above-mentioned disstacker (1)
A sheet material washing position (C) is provided between the sheet material washing unit (13) and the sheet material washing device (6) and the sheet material conveying means (7) are selectively provided at the sheet material washing position (C). By moving, use of the sheet material cleaning device (6),
A method for switching a sheet material cleaning apparatus in a press line, wherein non-use is switched. 2. The sheet material cleaning device (6) and the sheet material transporting means (7) are moved in a horizontal direction orthogonal to the sheet material transport direction (B), thereby the sheet material cleaning device (6) and the sheet material 2. The method according to claim 1, wherein the transporting means is switched. 3. The sheet material cleaning device (6) and the sheet material transporting device (7) are switched by moving the sheet material cleaning device (6) and the sheet material transporting device (7) vertically. Item 2. A method for switching a sheet material cleaning apparatus in a press line according to Item 1. 4. One of the sheet material cleaning device (6) and the sheet material transport means (7) is moved in the sheet material transport direction (B).
2. A sheet material cleaning apparatus for a press line according to claim 1, wherein the sheet material cleaning apparatus is switched between a sheet material cleaning device and a sheet material transporting means by moving the sheet material cleaning device in a horizontal direction perpendicular to the horizontal direction and in a vertical direction. Switching method.